The other, shorter, work on the disc, "Hay que caminar" sognando, is a rather less successful here. Based on the same harmonic structure as the quartet, but scored only for two violins, it is even harder to bring off, in part due to the lack of any bass instrument to anchor the harmony. In addition, Arditti and Alberman do not match the rival--much faster and more nervous-- recording from Kremer and Grindenko in intensity.
A very strong recommendation for the quartet, then, but I can't rate this as the best "Hay que caminar" available.